2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.50 to $73.54. The Reporting Person has provided to the Issuer, and undertakes to provide to any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. These shares became exercisable in three equal annual installments beginning on May 26, 2010.

4. These shares became exercisable in three equal annual installments beginning on December 1, 2011.

Remarks:

/s/ Rachel E. Geiersbach, as Attorney-in-Fact for Gregory N. Johnson

06/11/2012

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).